what kinda problem do you have exactly? be more specific! you asked improper shutdown can cause problems...ofcourse it can as johnwill said...disk corruption will happen in the future if you don't shutdown properly. You said in previous posts that you have to yank the main coz pc is not responding w/ the usual shutdown...right? Does it freeze up on you when you try to shut it down properly? BE MORE SPECIFIC W/ YOUR PROBLEM...ville_valo said:And how i can solve these problems?If i will use the Scandisk?